| Characteristic | Receivers | Transmitters |
|---|---|---|
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
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Sources
Release date
March 2017
Region
Worldwide
Survey time period
2014 to 2015
Supplementary notes
* Forecast figures for 2016 to 2024
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